Remove Stamp
This API deducts one stamp mark from an existing stamp.
 If a stamp was added by mistake, you can call this API to decrease the stamp count by one.
 However, the number of stamps cannot be reduced below zero. 
This API is available for Personal plans and higher.
PUT
/api/stamp/v1/remove
{
    "stampIdx": 394
}Request Parameters
- stampIdxintegerrequired
- Stamp IDX.
{
    "code": 0,
    "message": "",
    "result": null
}Response Parameters
- codeinteger
- Response code: 0 = Success, other values = Error
- messagestring
- Response message. If the response code is not 0, an error message is returned.
- resultnull